restart:with(plots):
eq := diff(f(eta), eta, eta, eta)+.11-(diff(f(eta), eta));
bc2 := f(0) = 0, (D(f))(0) = 1, (D(f))(10) = .1;
dsolve({eq,bc2}):
F1:=evalf(rhs(%));
contourplot(x*F1,x=-3..3,eta=-0.2..0.2);
I need to get the data from the above plot in a .txt file.
Thanks
